With the release of DX NetOps 20.2.6, CAPM has a capability with which the DA can be configured to send data to a Kafka bus.
This can be used to gather how much data each metric in CAPC is collecting in order to size the system appropriately.
DX NetOps CAPM 20.2 or later
touch /opt/IMDataAggregator/apache-karaf-2.4.3/etc/com.ca.im.dm.core.aggregator.loader.bulk.impl.cfg
backupOnComplete=true
backupOnComplete=false
/opt/IMDataAggregator/data/performance-spool/backup